Dumortierite and Simpsonite Physical Properties

Dumortierite

Simpsonite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.26-3.41Not Available

1 7.18

1.5 Fracture

Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

1.6 Cleavage

Distinct on {100}, poor on {110}; parting on {001}

None

1.7 Mohs Hardness

7-8.57-7.5

2 10

1.8 Chemical Composition

AlAl₆O₃BSi₃O₁₈

Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.

Dumortierite and Simpsonite Chemical Formula

While comparing Dumortierite and Simpsonite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Dumortierite and Simpsonite chemical formula.

Chemical formula of Dumortierite- AlAl₆O₃BSi₃O₁₈
Chemical formula of Simpsonite- Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.

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Dumortierite and Simpsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dumortierite and Simpsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dumortierite and Simpsonite Optical Properties during the identification of gemstone. Specific gravity of Dumortierite is Not Available whereas that of Simpsonite is Not Available.